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AZI Customer Service 800-528-7411 or 602-470-1414
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DC Power Operation
Instruments with the 431-X Option Functionality can be used with any +12 VDC source for
continuous operation, if the AZI Power Inverter Kit, P/N Y031 0902 is purchased. To preserve
the life of the DC power source, usually a car or truck battery, the power inverter will switch on
automatically to supply the AC necessary for regeneration only. The external switch on the
inverter should always be OFF to preserve battery life during normal sampling.
To work with the power inverter kit, place Option Functionality switch SW100 DIP #6 to the ON
position.
DC Power Adaptor Kit, AZI P/N Y031 0902
•
The DC power adaptor kit consists of:
DC Power Adaptor, P/N 1000 0089
DC Power Inverter, P/N 4000 1021
DC Power Cable Assembly, P/N 6000 1093
Installation
•
Ensure that the instrument’s Option Functionality switches are set correctly for the
intended operation with the SW100 DIP #6 set to “ON” for DC operation.
•
Mount the DC Power Adaptor board (AZI# 1000 0089) to the rear of the instrument and
tighten the mounting screws.
o
On Non-SMV instruments, mount the external Data Logger on the Adaptor board.
•
Place or mount the DC/AC power inverter in a secure position near the instrument.
•
Connect the cable from the DC/AC power inverter to the matching connecter on the
interface board. Note that the connectors are keyed to prevent improper connection.
•
Plug the instrument’s AC power cord into the power inverter and connect it to the
instrument.
When the instrument starts a regeneration with Option Functionality switch SW100 DIP #6 ON,
the instrument sends a signal to close the relay on the DC Power Adaptor board. This switches
the power inverter ON using the inverter’s internal switch.
NOTE:
When this mode is enabled, Non-SMV instruments do NOT check for 115 VAC for the
regeneration. If there is no AC power to the instrument, and a regeneration is initiated, the
instrument will flash .H.H.H (rather than .P.P.P), however the sensor will not heat, nor will the
sensor be cleaned.